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Finding the Fourth Proportional to 2,362.89, 3,544.38 and 631.50

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Solution

The fourth proportional to 2,362.89, 3,544.38 and 631.50 is: 947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.89 : 3,544.38 = 631.50 : x
  2. Step 2: Convert to fraction form
    2,362.89/3,544.38 = 631.50/x
  3. Step 3: Cross multiply
    2,362.89x = 3,544.38 × 631.50
  4. Step 4: Simplify right side
    2,362.89x = 2,238,275.97
  5. Step 5: Solve for x
    x = 2,238,275.97/2,362.89
  6. Step 6: Final answer
    x = 947.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.